+global\Jetpack_Email_Subscribe::get_block_properties()

Complexity

Conditions	1
Paths	1

Size

Total Lines

32

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	Jetpack_Email_Subscribe::register_shortcode()	0	3	1

<?php
/**
 * WARNING: This file is distributed verbatim in Jetpack.
 * There should be nothing WordPress.com specific in this file.
 *
 * @hide-in-jetpack
 **/

/**
 * Class Jetpack_Email_Subscribe
 * This class encapsulates shortcode for subscribing to a MailChimp list.
 * It displays a simple signup form that gets an email address from the user and signs him for a list
 * selected in "Sharing" section in calypso.
 * Other Email services can be implemented as well in the future.
 */
class Jetpack_Email_Subscribe {

	private static $shortcode = 'jetpack-email-subscribe';

	private static $css_classname_prefix = 'jetpack-email-subscribe';

	private static $option_name = 'jetpack_mailchimp';

	private static $block_name = 'mailchimp';

	private static $instance;

	private static $version = '1.0';

	private function __construct() {
	}

	/**
	 * This follows a classic singleton pattern.
	 *
	 * @return Jetpack_Email_Subscribe|null
	 */
	public static function get_instance() {
		// Do not load this at all if it's neither a WPCOM or a connected JP site.
		if ( ! ( ( defined( 'IS_WPCOM' ) && IS_WPCOM ) || Jetpack::is_active() ) ) {
			return null;
		}

		if ( ! self::$instance ) {
			self::$instance = new self();
			self::$instance->register_init_hook();
		}

		return self::$instance;
	}

	private function register_scripts_and_styles() {
		wp_register_script( 'jetpack-email-subscribe', Jetpack::get_file_url_for_environment( '_inc/build/shortcodes/js/jetpack-email-subscribe.min.js', 'modules/shortcodes/js/jetpack-email-subscribe.js' ), array( 'jquery' ), self::$version );
		wp_register_style( 'jetpack-email-subscribe', plugins_url( '/css/jetpack-email-subscribe.css', __FILE__ ), array(), self::$version );
	}

	private function register_init_hook() {
		add_action( 'init', array( $this, 'init_hook_action' ) );
		add_action( 'jetpack_options_whitelist', array( $this, 'filter_whitelisted_options' ), 10, 1 );
		add_action( 'jetpack_blocks_to_register', array( $this, 'prevent_jetpack_register_block' ), 10, 1 );
	}

	public function prevent_jetpack_register_block( $blocks ) {
		return array_filter( $blocks, array( $this, 'filter_out_this_block' ) );
	}

	public function filter_out_this_block( $block_name ) {
		return ( $block_name !== self::$block_name );
	}

	public function filter_whitelisted_options( $options ) {
		$options[] = self::$option_name;
		return $options;
	}

	private function register_shortcode() {
		add_shortcode( self::$shortcode, array( $this, 'parse_shortcode' ) );
	}

	private function register_gutenberg_block() {
		if ( Jetpack_Gutenberg::is_gutenberg_available() ) {
			register_block_type( 'jetpack/' . self::$block_name, array(
				'attributes' => array(
					'title' => array(
						'type' => 'string',
					),
					'email_placeholder' => array(
						'type' => 'string',
					),
					'submit_label' => array(
						'type' => 'string',
					),
					'consent_text' => array(
						'type' => 'string',
					),
					'processing_label' => array(
						'type' => 'string',
					),
					'success_label' => array(
						'type' => 'string',
					),
					'error_label' => array(
						'type' => 'string',
					),
					'className' => array(
						'type' => 'string',
					),
				),
				'style' => 'jetpack-email-subscribe',
				'render_callback' => array( $this, 'parse_shortcode' ),
			) );
			jetpack_register_block( self::$block_name, array(), array( 'available' => true ) );
		}
	}

	public function init_hook_action() {
		$this->register_scripts_and_styles();
		$this->register_shortcode();
		$this->register_gutenberg_block();
	}

	private function get_blog_id() {
		if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
			return get_current_blog_id();
		}

		return Jetpack_Options::get_option( 'id' );
	}

	private function is_set_up() {
		$option = get_option( self::$option_name );
		if ( ! $option ) {
			return false;
		}
		$data = json_decode( $option, true );
		if ( isset( $data['follower_list_id'], $data['follower_list_id'] ) ) {
			return true;
		}
		return false;
	}

	private function get_site_slug() {
		if ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'build_raw_urls' ) ) {
			return Jetpack::build_raw_urls( home_url() );
		} elseif ( class_exists( 'WPCOM_Masterbar' ) && method_exists( 'WPCOM_Masterbar', 'get_calypso_site_slug' ) ) {
			return WPCOM_Masterbar::get_calypso_site_slug( get_current_blog_id() );
		}
		return '';
	}

	public function parse_shortcode( $attrs ) {
		// Lets check if everything is set up.
		if (
			! $this->is_set_up() &&
			current_user_can( 'edit_posts' )
		) {
			return sprintf(
				'<div class="components-placeholder">
					<div class="components-placeholder__label">%s</div>
					<div class="components-placeholder__instructions">%s</div>
					<a class="components-button is-button" href="https://wordpress.com/sharing/%s" target="_blank">%s</a>
				</div>',
				__( 'MailChimp', 'jetpack' ),
				__( 'You need to connect your MailChimp account and choose a list in order to start collecting Email subscribers.', 'jetpack' ),
				$this->get_site_slug(),
				__( 'Set up MailChimp ', 'jetpack' )
			);
		}

		// We allow for overriding the presentation labels.
		$data = shortcode_atts(
			array(
				'blog_id'           => $this->get_blog_id(),
				'title'             => __( 'Join my email list', 'jetpack' ),
				'email_placeholder' => __( 'Enter your email', 'jetpack' ),
				'submit_label'      => __( 'Join My Email List', 'jetpack' ),
				'consent_text'      => __( 'By clicking submit, you agree to share your email address with the site owner and MailChimp to receive marketing, updates, and other emails from the site owner. Use the unsubscribe link in those emails to opt out at any time.', 'jetpack' ),
				'processing_label'  => __( 'Processing...', 'jetpack' ),
				'success_label'     => __( 'Success! You\'ve been added to the list.', 'jetpack' ),
				'error_label'       => __( "Oh no! Unfortunately there was an error.\nPlease try reloading this page and adding your email once more.", 'jetpack' ),
				'classname'         => self::$css_classname_prefix,
				'dom_id'            => uniqid( self::$css_classname_prefix . '_', false ),
			),
			is_array( $attrs ) ? array_filter( $attrs ) : array()
		);

		if ( ! wp_script_is( 'jetpack-email-subscribe', 'enqueued' ) ) {
			wp_enqueue_script( 'jetpack-email-subscribe' );
		}

		if ( ! wp_style_is( 'jetpack-email-subscribe', 'enqueue' ) ) {
			wp_enqueue_style( 'jetpack-email-subscribe' );
		}

		wp_add_inline_script(
			'jetpack-email-subscribe',
			sprintf(
				"try{JetpackEmailSubscribe.activate( '%s', '%s', '%s' );}catch(e){}",
				esc_js( $data['blog_id'] ),
				esc_js( $data['dom_id'] ),
				esc_js( $data['classname'] )
			)
		);

		return sprintf(
			'<div class="%1$s" id="%2$s">
				<h2>%3$s</h2>
				<form>
					<input type="email" class="%1$s-email" required placeholder="%4$s">
					<button type="submit" class="%1$s-submit">%6$s</button>
					<label class="%1$s-consent-label">
					    <small>%5$s</small>
					</label>
				</form>
				<div class="%1$s-processing">%7$s</div>
				<div class="%1$s-success">%8$s</div>
				<div class="%1$s-error">%9$s</div>
			</div>',
			esc_attr( $data['classname'] ),
			esc_attr( $data['dom_id'] ),
			esc_html( $data['title'] ),
			esc_html( $data['email_placeholder'] ),
			esc_html( $data['consent_text'] ),
			esc_html( $data['submit_label'] ),
			nl2br( esc_html( $data['processing_label'] ) ),
			nl2br( esc_html( $data['success_label'] ) ),
			nl2br( esc_html( $data['error_label'] ) )
		);
	}

}

Jetpack_Email_Subscribe::get_instance();